natalie88 natalie88

15-09-2017
Mathematics

contestada

find 4 consecutive odd numbers such that the sum of the first and the forth is 27 less than three times the first

Respuesta :

15-09-2017

Hello,

Let's assume

2n-3 the first number
2n-1 the second
2n+1 the third
2n+3 the forth

2n-3+2n+3=3*(2n-3)-27
4n=6n-9-27
2n=36

==>2n-3=33
2n-1=35
2n+1=37
2n+3=39

Proof: 33+39=72
3*33-27=72

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